A rare window into Brazil's scientific awakening. A cornerstone of tropical medicine. Memorias do Instituto Oswaldo Cruz (Ano 1915; Tomo VII, Faciculo I) offers a primary glimpse of early 20th century science as practised at one of Latin America's leading research centres. This brazilian scientific journal stands as a historical medical publication that preserves original studies, observational reports and institutional perspectives from the Oswaldo Cruz Institute, revealing the investigative habits and priorities behind infectious disease research and tropical medicine studies of the era. The volume supplies vivid context for public health history in 1915 Brazil, showing how empirical enquiry, clinical observation and organisational response coexisted in the face of epidemic challenges. The interplay of observation and policy captured here helps reconstruct how knowledge moved between laboratory, clinic and government. Framed as a vintage scientific anthology, its tone is both technical and immediate, making it useful to specialists yet approachable to interested general readers. Historically significant, this faciculo is a medical historians resource and a valuable item for an academic researchers collection tracing the development of Latin American medicine and modern epidemiology. Students, librarians and independent scholars will find evidence of method and institutional practice; casual readers will be intrigued by the period voice and context; classic-literature collectors will prize its archival presence and cultural resonance. Beyond pure scholarship, the volume illuminates institutional life - laboratories, correspondence and public campaigns - supplying interdisciplinary evidence for sociologists of medicine, historians of science and public-policy scholars. Detailed enough to inform specialised research yet open in tone, it bridges archival study and readable narrative, making it a rewarding acquisition for libraries, university departments and private collectors alike. Out of print for decades and now republished by Alpha Editions. Restored for today's and future generations. More than a reprint - a collector's item and a cultural treasure.